Pinworm infestation of the appendix.
D000006:Abdomen, Acute; D000293:Adolescent; D000328:Adult; D001062:Appendectomy; D001064:Appendicitis / Q000150:complications; D001065:Appendix; D002648:Child; D002675:Child, Preschool; D006801:Humans; D010123:Oxyuriasis / Q000150:complications / Q000473:pathology / Q000601:surgery